Schweitzer Engineering Laboratories SEL-351S - LED16 (50) and LED17 (51); LED18 (81); LED25 (G); LED26 (N)

5-34 Trip and Target Logic Date Code 20010112
SEL-351S Instruction Manual
LED16 (50) and LED17 (51)
1RWHWKDW/('DQG/('GLUHFWO\FRQWDLQVRPHRIWKHWULSSLQJHOHPHQWV75 
37*73«XQLTXHO\LGHQWLI\LQJWKHWULSW\SHZKHQLOOXPLQDWLQJ
 /(' 3
 /(' 37*7
LED18 (81)
,IIUHTXHQF\HOHPHQW'7LVVHWWRWULSHJ6(/
2*,&FRQWUROHTXDWLRQ75 «'7DQG
DWULSUHVXOWVIURP'7
 /(' '7
WKHQ/('LOOXPLQDWHVDWWKHULVLQJHGJHRIWULS)UHTXHQF\HOHPHQW'7LVQRWVHWWR
WULSLQWKHIDFWRU\GHIDXOWVHWWLQJVWKXVWDUJHW/('LVDOZD\VH[WLQJXLVKHGZLWKIDFWRU\
GHIDXOWVHWWLQJV
LED25 (G)
1RWHWKDW/('*GLUHFWO\FRQWDLQVWKHSLFNXSLQGLFDWRURIWKHJURXQGWLPHRYHUFXUUHQW
WULSSLQJHOHPHQW75 «*7«LQGLFDWLQJJURXQGLQYROYHPHQWLQWKHIDXOW
 /(' *
LED26 (N)
/('1LVXVHGWRLQGLFDWHWULSSLQJLQYROYLQJWKHQHXWUDOFKDQQHO,1HVSHFLDOO\LILWLVRUGHUHG
IRUVHQVLWLYHHDUWKIDXOWDSSOLFDWLRQV$QRPLQDOQHXWUDOFKDQQHO1RQHXWUDOJURXQG
RYHUFXUUHQWHOHPHQWVDUHVHWWRWULS±QHLWKHULV/('VHWLQSDUWLFXODU
 /('     ORJLFDO
7KXV/('1LVDOZD\VH[WLQJXLVKHGZLWKIDFWRU\GHIDXOWVHWWLQJV
Change the Trip SettingsxChange the Target LED Logic
7KHODVWSDUWRIWKH7ULS/RJLFVXEVHFWLRQLQWKLVVHFWLRQGLVFXVVHVFKHFNLQJRWKHUVHWWLQJV
LQFOXGLQJIURQWSDQHOWDUJHW/('VHWWLQJVZKHQFKDQJLQJRUPRGLI\LQJWULSORJLF
%H\RQGMXVWFKDQJLQJIURQWSDQHOWDUJHW/('VHWWLQJVZKHQFKDQJLQJPRGLI\LQJWULSORJLFWKH
RSHUDWLRQRIWKHSURJUDPPDEOHIURQWSDQHOWDUJHW/('VFDQEHUDGLFDOO\FKDQJHGZLWKWKH
IOH[LELOLW\JLYHQE\WKHVHWWLQJVLQ7DEOH)URQWSDQHOUHODEHOLQJZRXOGSUREDEO\EHUHTXLUHG